What is the meaning of data definition name (ddname) and
dataset name (dsname) in the DD statement?
Answer Posted / sunitha
Data Definition name (ddname) is a eight character name
used to give the name to the DD statement. In COBOL, In
ENVIRONMENT DIVISION , INPUT-OUTPUT SECTION, FILE-CONTROL
paragraph, a SELECT statement defines a file name and
assigns a device name to it where the device name is the
ddname that is coded in the JCL.
Dataset name(dsname) is the operating system(MVS) name for
the file.
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
I have many files which i am receiving from client everyday. I have one step for every file to check for empty or not. Here client gives 30 files i need to check for every file for empty or not and i need to perform 30 steps. Can I do it in single step. Dynamically i need to change the File name in my step.
Explain the function of //jcllib statement?
What is the function of the dd dcb keyword?
a set statement is used to define commonly used symbolic across job steps or procedures. It initializes the previous values in the symbolic names. It has to be defined before the first use of the symbolic names in the jcl. State whether true or false?
Brief description of inline procedure of jcl.
Where can program checkpoints be stored for use in a restart?
Explain how can return codes be tested before execution of a job step?
How to alter the parameters for the existing gdg?
Explain the hierarchy levels in jcl?
What are hierarchy levels in jcl?
by using cond parameter maximum 8 cond can be coded in single cond means ?explain
How does jcl act on a cobol code?
Is their any limit for data sets?
how can you check if a file is empty using jcl?
how to do automated restart when a job abends?